Originally Posted by
mikexner
Marriott no longer allows you to get elite night credits from multiple cards. So if you got nights from Chase you’re not eligible for nights from AMEX.
It does allow you to stack the elite night from both personal and biz cards together and this is what OP trying to do. Plenty of ppl got 30 guaranteed elite night every year just by holding 2 cards. The biz card is quite easy to apply, u don’t even need a real biz to get it.